From: Eric Covener <covener@apache.org>
Date: Mon, 28 Dec 2015 18:44:03 +0000 (+0000)
Subject: add a mod_headers condition clause expression example
X-Git-Tag: 2.5.0-alpha~2492
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6cc3f9ab9f0c094644d2af79d2bdfd72ae88561;p=thirdparty%2Fapache%2Fhttpd.git

add a mod_headers condition clause expression example


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1721978 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/docs/manual/expr.xml b/docs/manual/expr.xml
index 8dd44f200f7..84c619a3c4d 100644
--- a/docs/manual/expr.xml
+++ b/docs/manual/expr.xml
@@ -616,6 +616,10 @@ listfunction ::= listfuncname "<strong>(</strong>" word "<strong>)</strong>"
 
 # Function example in string context
 Header set foo-checksum "expr=%{md5:foo}"
+
+# This delays the evaluation of the condition clause compared to &lt;If&gt;
+Header always set CustomHeader my-value "expr=%{REQUEST_URI} =~ m#^/special_path.php$#"
+
 	</highlight>
 </section>
 
diff --git a/docs/manual/mod/mod_headers.xml b/docs/manual/mod/mod_headers.xml
index 5be4520836b..1eebd61af6a 100644
--- a/docs/manual/mod/mod_headers.xml
+++ b/docs/manual/mod/mod_headers.xml
@@ -540,7 +540,12 @@ available in 2.4.10 and later</compatibility>
     <dt><code>expr=<var>expression</var></code></dt>
     <dd>The directive is applied if and only if <var>expression</var>
         evaluates to true. Details of expression syntax and evaluation are
-        documented in the <a href="../expr.html">ap_expr</a> documentation.</dd>
+        documented in the <a href="../expr.html">ap_expr</a> documentation.
+        <example>
+         # This delays the evaluation of the condition clause compared to &lt;If&gt;
+         Header always set CustomHeader my-value "expr=%{REQUEST_URI} =~ m#^/special_path.php$#"
+        </example>   
+        </dd>
     </dl>
 
     <p>Except in <a href="#early">early</a> mode, the